Question

factorise ysquare+1/ysquare +2-2y-2/y​

Answer 1

Step-by-step explanation:

(y² + 1/y² + 2) - 2(y + 1/y)

(y + 1/y)² - 2(y + 1/y)

(y + 1/y) (y + 1/y - 2)